Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG791653600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791653600

Diamond specifications and retailer prices

From $330 CAD

$235 USD

As of October 28, 2026

Save $3,252 CAD (91%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $3,582 CAD at Brilliant Earth · As of October 24, 2026

View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791653600 or 791653600. Listed at 25 retailers as of October 24, 2026, with prices from $330 to $3,582, a $3,252 spread on the same certified stone. Brilliant Earth lists it at $3,582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG791653600

Dimensions10.38 × 5.38 × 3.32 mm

L/W Ratio1.93

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG791653600

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28

Current: $3,582 CAD|Low: $327 CAD|High: $3,582 CAD|Avg: $1,006 CAD

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 15$327 CAD

Retailer 7$330 CAD

Retailer 14$344 CAD

Retailer 5$368 CAD

Retailer 10$368 CAD

Retailer 13$420 CAD

Retailer 18$523 CAD

Retailer 6$557 CAD

Retailer 4$648 CAD

Retailer 20$697 CAD

Retailer 22$700 CAD

Retailer 19$761 CAD

Retailer 9$770 CAD

Retailer 21$990 CAD

Retailer 23$1,186 CAD

Retailer 8$1,304 CAD

Retailer 12$1,334 CAD

Retailer 16$1,378 CAD

Retailer 2$1,634 CAD

Retailer 11$1,726 CAD

Retailer 17$1,777 CAD

Retailer 3$2,852 CAD

Brilliant Earth$3,582 CAD

27 data points across 23 retailers

25 retailers$330 CAD to $3,582 CAD

Retailer 1

$327 CAD

$233 USD

Price last confirmed 7 days ago

Retailer 2

$330 CAD

$235 USD

View

Final sale: no returns

Retailer 3

$344 CAD

$245 USD

View

Retailer 4

$368 CAD

$262 USD

View

Retailer 5

$368 CAD

$262 USD

View

Retailer 6

$420 CAD

£236 GBP

View

Retailer 7

$523 CAD

$372 USD

View

Retailer 8

$557 CAD

HK$3,100 HKD

View

Retailer 9

$648 CAD

$461 USD

View

Retailer 10

$697 CAD

ZAR 8,017 ZAR

View

Retailer 11

$700 CAD

$498 USD

View

Retailer 12

$761 CAD

£427 GBP

View

Retailer 13

$770 CAD

€522 EUR

View

B+

Retailer 14

$990 CAD

A$1,084 AUD

View

B+

Retailer 15

$1,186 CAD

$844 USD

View

B+

Retailer 16

$1,304 CAD

$928 USD

View

B+

Retailer 17

$1,334 CAD

SGD 1,283 SGD

View

B+

Retailer 18

$1,378 CAD

$981 USD

View

B+

Retailer 19

$1,634 CAD

£916 GBP

View

B+

Retailer 20

$1,726 CAD

$1,229 USD

View

Retailer 21

$1,777 CAD

$1,265 USD

View

Retailer 22

$2,528 CAD

$1,800 USD

View

Retailer 23

$2,765 CAD

£1,550 GBP

View

Retailer 24

$2,852 CAD

$2,030 USD

View

Most Expensive

Brilliant Earth

18897939A · Oct 24

$3,582 CAD

$2,550 USD

View

24 more retailers have this diamond

Prices start from $330 CADSave up to $3,252 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

Where to buy this spec

See every retailer carrying 1.05ct D IF marquise lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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